Ihavestartedgettingupat6∶00a.

发布时间：2020-07-28 03:16:15

I have started getting up at 6∶00 a.m. to study. I don't know if I can keep this ________.A.awayB.outC.upD.back

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C解析keep up保持下去，坚持下去。
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